/* * Copyright (C) 2010 Google Inc. All rights reserved. * * Redistribution and use in source and binary forms, with or without * modification, are permitted provided that the following conditions are * met: * * * Redistributions of source code must retain the above copyright * notice, this list of conditions and the following disclaimer. * * Redistributions in binary form must reproduce the above * copyright notice, this list of conditions and the following disclaimer * in the documentation and/or other materials provided with the * distribution. * * Neither the name of Google Inc. nor the names of its * contributors may be used to endorse or promote products derived from * this software without specific prior written permission. * * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT * OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. */ #ifndef AsyncFileSystemCallbacks_h #define AsyncFileSystemCallbacks_h #if ENABLE(FILE_SYSTEM) #include "AsyncFileSystem.h" #include "AsyncFileWriter.h" #include "BlobData.h" #include "FileMetadata.h" #include <wtf/text/WTFString.h> namespace WebCore { class AsyncFileSystemCallbacks { WTF_MAKE_NONCOPYABLE(AsyncFileSystemCallbacks); public: AsyncFileSystemCallbacks() { } // Called when a requested operation is completed successfully. virtual void didSucceed() { ASSERT_NOT_REACHED(); } // Called when a requested file system is opened. virtual void didOpenFileSystem(const String& /* name */, const KURL& /* rootURL */, PassOwnPtr<AsyncFileSystem>) { ASSERT_NOT_REACHED(); } // Called when a file metadata is read successfully. virtual void didReadMetadata(const FileMetadata&) { ASSERT_NOT_REACHED(); } // Called when a snapshot file is created successfully. virtual void didCreateSnapshotFile(const FileMetadata&, PassRefPtr<BlobDataHandle> /* snapshot */) { ASSERT_NOT_REACHED(); } // Called when a directory entry is read. virtual void didReadDirectoryEntry(const String& /* name */, bool /* isDirectory */) { ASSERT_NOT_REACHED(); } // Called after a chunk of directory entries have been read (i.e. indicates it's good time to call back to the application). If hasMore is true there can be more chunks. virtual void didReadDirectoryEntries(bool /* hasMore */) { ASSERT_NOT_REACHED(); } // Called when an AsyncFileWrter has been created successfully. virtual void didCreateFileWriter(PassOwnPtr<AsyncFileWriter>, long long /* length */) { ASSERT_NOT_REACHED(); } // Called when there was an error. virtual void didFail(int code) = 0; virtual ~AsyncFileSystemCallbacks() { } }; } // namespace #endif // ENABLE(FILE_SYSTEM) #endif // AsyncFileSystemCallbacks_h